piano介绍(英文).ppt

* The full name of piano is “Pianoforte” which means “weak – strong” (in Italian). The earliest piano was called a clavichord. In New Concept English Book Two, there is a story about a clavichord. which is used by plucked it. Some other early pianos are dulcimer and harpsichord. The present situation of piano is upright piano and grand piano. In the year of 1821, Sebastian Ai Laer improved the quality of piano, and then, the piano can make complex music. In the year of 1825, after Alfie Hancock’s twice 改进, piano 的音准更稳定了，寿命更长了. In the year of 1850, all of them were conbined together to create a better piano, and then the modern piano’s basic situation was decided. The piano has 88 buttons (52 black buttons, 36 white buttons). As soon as you press one of the buttons, 琴键受到撞击后带动击弦机，击弦机的末端有弦锤，受击弦机的带动，而击弦锤的前方则是钢丝，当击弦锤向前方撞击时，会准确地撞到钢丝上，钢丝因此受到震动而发声。 Some important person among professional players Johann Sebastian Bach（J.S.Bach ）He is the most influential and the greatest composer in eighteenth century. He is a very important person in baroque music period.Because of the big contribution which can boost the music development, and many great pieces of his music, he was reguarded as “The Father Of Music”. His music is admired and imitated by many composers and musicians in later days. *